<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>九九乘法表</title>
    <style>
        br{

        }
        td{
            border: 1px solid #000;
            padding: 3px 10px;
        }
        table{
            border-collapse: collapse;
        }
    </style>
</head>
<body>
<script>

    document.write("<table>");
    for (var i = 1;i<=9;i++){
        document.write("<tr>");
        for(var j=1;j<=i;j++){
            document.write("<td>");
            document.write(j+"*"+i+"="+j*i);
            document.write("</td>")
        }
        document.write("</tr>");
    }
    document.write("</table>");

</script>
</body>
</html>